2-undecanone
Structural formula | ||||||||||||||||||||||
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General | ||||||||||||||||||||||
Surname | 2-undecanone | |||||||||||||||||||||
other names |
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Molecular formula | CH 3 (CH 2 ) 8 COCH 3 | |||||||||||||||||||||
Brief description |
yellow liquid with a pleasant odor |
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properties | ||||||||||||||||||||||
Molar mass | 170.29 g · mol -1 | |||||||||||||||||||||
Physical state |
liquid |
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density |
0.825 g cm −3 (25 ° C) |
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Melting point |
12 ° C |
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boiling point |
231 ° C |
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Vapor pressure |
0.01 hPa (20 ° C) |
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solubility |
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Refractive index |
1.43 (20 ° C) |
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safety instructions | ||||||||||||||||||||||
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Toxicological data | ||||||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
2-Undecanone or methyl nonyl ketone is a chemical compound from the group of ketones and a natural product.
Occurrence
Rautenöl contains 2-undecanone as the main component. It is also part of the alarm pheromone of the African weaver ant ( Oecophylla longinoda ).
use
Due to its strong odor, 2-Undecanone is used as a repellent against insects, but also against dogs and cats.
Individual evidence
- ↑ Entry on METHYL NONYL KETONE in the CosIng database of the EU Commission, accessed on May 7, 2020.
- ↑ a b c d e f g h i Entry on 2-undecanone in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ↑ a b Data sheet 2-Undecanone, natural, ≥97%, FCC from Sigma-Aldrich , accessed on March 10, 2014 ( PDF ).
- ↑ a b c Entry on Undecan-2-one. In: Römpp Online . Georg Thieme Verlag, accessed on March 10, 2014.